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Conestoga-Rovers & Associates BORINGMELL LOG <br /> t 19449 Riverside Drive, Suite 230 <br /> ( r �/ Sonoma, CA 95476 <br /> Telephone: 707-935-4850 <br /> Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORING[WELL NAME B-109A <br /> JOB/SITE NAME Former Shell Pipeline DRILLING STARTED 15-Nov-11 <br /> LOCATION Cordes Ranch, Tracy California DRILLING COMPLETED 15-Nov-11 <br /> PROJECT NUMBER 060223 WELL DEVELOPMENT DATE (YIELD) NA <br /> DRILLER Gregg Drilling GROUND SURFACE ELEVATION 123.92 it above msl <br /> DRILLING METHOD Direct Push TOP OF CASING ELEVATION NA <br /> BORING DIAMETER 2 5/8" SCREENED INTERVAL NA <br /> LOGGED BY B. Siegfried DEPTH TO WATER (First Encountered) NA SZ <br /> REVIEWED BY J. Gaarder DEPTH TO WATER (Static) NA .t '.. <br /> REMARKS Airknifed to 5 ft. <br /> qam� 00 <br /> �" O Za x�x a U SOIL DESCRIPTION F- x WELL DIAGRAM <br /> a m0 ¢ W � v Ug. <br /> U UWo <br /> Clayey SILT IML); very dark grayish brown (10YR 3/2); <br /> dry; 30% clay, 70% slit. <br /> @3' - moist. <br /> 0,5 8-109A-5 <br /> 5 @4' . yellowish brown (10YR 5/6); moist; 100% silt. <br /> ML <br /> @84 moist; 20% clay, 80% silt. <br /> 0.5 B-109A-10 10_ <br /> 14.5 <br /> 0.5 s-109A-i5 15 SM r Silty SAND SM) ; yellowish brown (10YR 5/6); moist; <br /> 30% silt, 70% fine sand. 16.5 <br /> Clayey SILT (ML) ; yellowish brown (10YR 5/6); moist; Portland Type IIN <br /> ML 30% clay, 70% silt. <br /> 0 0.5 B-109A-20 20 20.2 <br /> SAND (SP) ;yellowish brown (10YR 5/6); moist; 5% silt, <br /> Q SP 95% fine sand. <br /> 22.0 <br /> Clayey SILT (ML) ; yellowish brown (10YR 5/6); moist; <br /> 15% clay, 75% silt, 10% fine sand. <br /> i� <br /> z <br /> op 0.5 6-109A-25 25 ML <br /> 0 <br /> 28.2 <br /> SAND SP) ; yellowish brown (10YR 5/6); moist; 5% silt, 28.5 <br /> 95% fine sand. <br /> 0.5 B-109Aso 30 Clayey SILT (ML) ; yellowish brown (10YR 5/6); moist; <br /> 20% clay, 70% silt, 10% fine sand; caliche. <br /> ML <br /> i <br /> rc <br /> 0.5 B-109Aa535 . 35.0 <br /> _ Bottom of <br /> Boring @ 35 ft <br /> 0 <br /> 0 <br /> 40 <br /> PAGE f OF 1 <br />